<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>多个样式表</title>
  <link rel="stylesheet" type="text/css" href="/基础教程/CSS/mystyle.css">
  <style>
    h1 {
      color: orange;
    }
  </style>
</head>
<body>
<h1>这是一个标题被内部CSS覆盖</h1>
</body>
</html>